Home / 199,270.23-274,982.87-113,217.95

Finding the Fourth Proportional to 199,270.23, 274,982.87 and 113,217.95

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Solution

The fourth proportional to 199,270.23, 274,982.87 and 113,217.95 is: 156,235.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,270.23 : 274,982.87 = 113,217.95 : x
  2. Step 2: Convert to fraction form
    199,270.23/274,982.87 = 113,217.95/x
  3. Step 3: Cross multiply
    199,270.23x = 274,982.87 × 113,217.95
  4. Step 4: Simplify right side
    199,270.23x = 31,132,994,885.51
  5. Step 5: Solve for x
    x = 31,132,994,885.51/199,270.23
  6. Step 6: Final answer
    x = 156,235.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.